Subsection 13 Software management control

Question 1

A lack of adequate control of aircraft field loadable software ( FLS ) and database field loadable data ( DFLD ) has been addressed by the UK CAA and to make Licensed engineers aware of the issues of software restrictions and their responsibilities in this regard in their publication?

Answer 1

Civil aircraft airworthiness information and procedures

Question 2

An aircraft system allocated a critcally category of hazardous has a software level of

Answer 2

B

Question 3

An aircraft system allocated a software level ‘C’ that should it fail due to a software error may cause?

Answer 3

Injuries to some occupants

Question 4

An aircraft system that, should it fail due to a software error, would cause a significant reduction in safety margins may also cause?

Answer 4

Injuries to some occupants

Question 5

An aircraft system that, should it fail due to a software error would cause a slight increase in crew workload has a software level of?

Answer 5

D

Question 6

An aircraft system that, should it fail due to a software error would cause a no injuries to occipants has a critcality catagory of?

Answer 6

Minor effect

Question 7

An aircraft with a software level D should it fail due to a software error ma cause?

Answer 7

The aircraft safety margin to be slightly decreased

Question 8

As far as software product is concerned the verification phase includes?

Answer 8

Performance testing a programmed EPROM

Question 9

AWN 43 requires that aircraft constructors be?

Answer 9

Responsible for software assessment

Question 10

Control of software is carried out by?

Answer 10

The national aviation authority

Question 11

For software to be defined as level 1 it must be?

Answer 11

Critical

Question 12

If due to a software error in an aircraft system that would cause injuries to some occupants the system has a software criticality catagory of?

Answer 12

Major effect

Question 13

Level 1 software failure is defined as?

Answer 13

Critical and can lead to loss of aircraft

Question 14

Requirements for configuration, management of software can be found in?

Answer 14

AWN 43

Question 15

Requirements for software control can be found in?

Answer 15

CAAIP chapter 100-10

Question 16

Software can be modified by?

Answer 16

Using the same rules as apply as to mods to hardware

Question 17

Software changes come under the responsibility of the?

Answer 17

Aircraft constructor

Question 18

Software documentation procedures are laid down in?

Answer 18

AWN 45

Question 19

The final stage of loading EEC software is?

Answer 19

Veryfying the loaded software

Question 20

What is the definition of level 1 software?

Answer 20

Critical

Question 21

What is the effect of a level 1 software failure?

Answer 21

Loss of aircraft and or fatalities

Question 22

Where would you find the rules regarding upgrade of software?

Answer 22

AWN 43

Question 23

Who can design new software?

Answer 23

BCAR section A8 approved company

Question 24

Who can sign for a S/W update?

Answer 24

Engineer

Question 25

Who is responsible for producing the operational program of the FMS?

Answer 25

The manufacturer

Question 26

Who needs to be aware of software management restrictions and their responsibilities to aircraft critical software control?

Answer 26

The engineers who maintain aircraft computer systems and the manufacturer of aircraft systems and software